Relations Primer Lecture 2 Equivalence Relations

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00:00 Recap
00:59 Relation on a Set
01:40 Reflexive Relations
05:12 Symmetric Relations
07:23 Transitive Relations
10:57 Equivalence Relations

*Note:* The auto-generated subtitles are mostly accurate and may enhance experience.

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Hersh

[the_hidden_library]

Errata: At 12:25 I miswrote the expression for "f^{-1}({y})." I wrote "f^{-1}({y}) = {x in X: f(x) in Y}" where I meant to write "f^{-1}({y}) = {x in X: f(x) = y}."

[AIbeast]

Bhaiya I want advice from you that when I am solving mathematics problems in an open manner means I have a problem I am thinking about that problem from many stand points then that process is very curious and interesting and most of the time I am able to get my answer but when jee is concerned because of time limit I can't think it in many diff ways and I have to somehow narrow down all the paths to some very specific routes like a mechanistic robot which don't sound very interesting and don't match my nature of enjoying and creatively doing math is my observation correct because in jee 1 attempt I face this problem and because you have passed this exam so to have your opinion on that observation so that I can prepare myself in that way for second attempt